CVE-2026-7857

D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

HIGH
7.2
CVSS Score
Published: May 5, 2026 at 07:15 PM UTC
Updated: July 24, 2026 at 08:23 AM UTC
2 products affected across 1 vendorDi 8100 FirmwareD-Link DI-8100

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Severity
HIGH7.2
Exploit prediction
EPSS 4%
SSVC
PoC

Description

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

dlink-di-8100 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/361134
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/361134/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/807853
Product
Source: cverecord
https://www.dlink.com/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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